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Where increased transfer demand and dependable suction recovery are required together, the Calpeda A 50-125A provides self-priming centrifugal liquid handling performance for irrigation circulation, drainage systems, and industrial utility applications. Its hydraulic arrangement supports movement of clean and slightly dirty liquids in installations where pipelines may drain or suction levels fluctuate between operating cycles.
Flow capacity reaches 33 m³/h with discharge head extending to 19.5 m, supporting efficient hydraulic transfer across moderate-pressure operating systems handling larger liquid volumes. The pump operates through a three-phase 415V induction motor delivering 1.5 kW rated output power with operating current of 4.3 A while maintaining rotational speed near 2900 rpm.
Hydraulic stability is maintained through an open cast iron impeller configuration capable of passing suspended solids up to 10 mm without obstructing circulation performance. The self-priming operating behaviour assists automatic suction restoration after temporary dry suction conditions while supporting uninterrupted liquid movement during intermittent-duty operation.
Cast iron construction across the casing, lantern bracket, cylindrical suction section, and impeller assembly contributes to continuous-duty structural support in demanding liquid handling installations. A carbon ceramic mechanical seal with NBR elastomer support manages shaft sealing duties, and the close-coupled motor assembly incorporates class F insulation alongside IP54 enclosure protection. Maximum liquid temperature handling extends from -10°C to 90°C with permissible working pressure up to 6 bar.
FEATURES- Automatic self-priming centrifugal configuration supporting dependable suction capability
- Open cast iron impeller facilitating passage of suspended solids up to 10 mm
- Integrated anti-siphon valve reducing reverse flow after operating cycles
- 50 mm threaded suction and discharge configuration supporting medium-capacity pipework
- Close-coupled hydraulic layout minimizing alignment requirements during installation
- Carbon ceramic mechanical sealing arrangement with NBR elastomer elements
- Three-phase induction motor engineered for continuous-duty hydraulic service
- Class F insulated enclosure with IP54 environmental protection rating
FAQs
General Product FAQs
1. How do I choose the right pump for my setup?
Selecting the correct pump depends on your required flow (L/min), total head (vertical lift + friction loss), and power source. If you're unsure, contact our team and we’ll size the right system for you.
2. Do you offer support with system design or setup?
Yes — we provide expert advice to help you choose, install, and optimise your pump system. Whether it's a simple setup or a custom solution, we’re here to help.
3. Do you offer complete pump solutions or just products?
We don’t just sell pumps — we provide complete solutions. From accessories and control systems to full packaged setups, we can supply everything required to get your system running efficiently.
Shipping & Availability
1. Do you offer Australia-wide shipping?
Yes — we ship across Australia. Bulk or oversized orders may incur additional freight charges otherwise we offer free shipping over $100*
2. How long does delivery take?
Orders are typically shipped within 1–2 business days, with delivery taking approximately 2–7 days depending on your location.
3. What courier or freight companies do you use?
We work with a range of trusted carriers including Australia Post, StarTrack, TNT, and other national freight providers depending on the size and location of your order. This allows us to ensure fast, reliable delivery across Australia, including regional and remote areas.
Warranty & Support
1. Do your pumps come with a warranty?
Yes — all products are backed by manufacturer warranties. Warranty periods vary depending on the brand and product type.
2. What support do you offer after purchase?
We provide ongoing support including:
- Installation advice
- Troubleshooting
- Spare parts supply
- System upgrades
3. What is the warranty process if something goes wrong?
If you experience an issue, simply contact our team with your order details and a description of the problem. We’ll guide you through troubleshooting and, if required, arrange repair, replacement, or manufacturer assessment in line with warranty terms.
Why choose Foundation Pumps?
1. Why choose Foundation Pumps over other suppliers?
We focus on supplying proven, high-quality pump solutions backed by real industry knowledge. Unlike general resellers, we understand how these systems perform in the field and provide honest, practical advice to ensure you get the right solution the first time.
2. Do you offer expert advice before and after purchase?
Yes — we support you at every stage, from selecting the right pump through to installation and ongoing use. Our team is available to assist with sizing, troubleshooting, and system optimisation whenever you need it.
3. Do you stock trusted brands and quality products?
We carefully select and supply pumps from reputable manufacturers known for reliability and performance. Our range includes both industry-leading brands and high-value alternatives that meet Australian standards and conditions.
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